I trust that age with not wither, nor custom stale my infinite variety.

For you have fallen low, let us see someday how high you can rise...

Watson, look up at the sky and tell me what you see.

I never remember feeling tired by work, though idleness exhausts me completely.

But the dog did nothing in the nighttime! That is the curious incident!

...when you have eliminated the impossible, whatever remains, however improbable, must be the truth.